I am feeling a little disappointed with myself. Having given lots of time to supporting older PFB DS, I am now faced with 3rd DS (just aged 5) not doing quite as well as he should be. He is young in his year but quite whizzy mentally and above average for reading. However his report highlighted lower then average maths and writing. I've been concentrating so much on my older boys that my 5 year old hadn't had enough of my time. I was considering getting some work books over the summer to help him. I think he would enjoy that. Any recommendations for key stage one work books in maths or English? I thought it might be helpful if I knew what he should be doing by the end of year one but don't know how to access the curriculum.